/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.dxf2.dataset.streaming;

import com.fasterxml.jackson.core.JsonGenerator;
import java.io.IOException;
import lombok.extern.slf4j.Slf4j;
import org.hisp.dhis.dxf2.dataset.CompleteDataSetRegistration;

/**
 * @author Halvdan Hoem Grelland
 */
@Slf4j
public class StreamingJsonCompleteDataSetRegistration extends CompleteDataSetRegistration {
  private JsonGenerator generator;

  // -------------------------------------------------------------------------
  // Constructors
  // -------------------------------------------------------------------------

  public StreamingJsonCompleteDataSetRegistration(JsonGenerator generator) {
    this.generator = generator;
  }

  // -------------------------------------------------------------------------
  // Logic
  // -------------------------------------------------------------------------

  @Override
  public void open() {
    try {
      generator.writeStartObject();
    } catch (IOException e) {
      // Intentionally ignored
    }
  }

  @Override
  public void close() {
    if (generator == null) {
      return;
    }

    try {
      generator.writeEndObject();
    } catch (IOException e) {
      // Intentionally ignored
    }
  }

  // -------------------------------------------------------------------------
  // Setters
  // -------------------------------------------------------------------------

  @Override
  public void setDataSet(String dataSet) {
    writeField(FIELD_DATASET, dataSet);
  }

  @Override
  public void setPeriod(String period) {
    writeField(FIELD_PERIOD, period);
  }

  @Override
  public void setOrganisationUnit(String organisationUnit) {
    writeField(FIELD_ORGUNIT, organisationUnit);
  }

  @Override
  public void setAttributeOptionCombo(String attributeOptionCombo) {
    writeField(FIELD_ATTR_OPTION_COMBO, attributeOptionCombo);
  }

  @Override
  public void setDate(String date) {
    writeField(FIELD_DATE, date);
  }

  @Override
  public void setStoredBy(String storedBy) {
    writeField(FIELD_STORED_BY, storedBy);
  }

  @Override
  public void setLastUpdated(String lastUpdated) {
    writeField(FIELD_LAST_UPDATED, lastUpdated);
  }

  @Override
  public void setCompleted(Boolean completed) {
    writeField(FIELD_IS_COMPLETED, completed);
  }

  @Override
  public void setLastUpdatedBy(String lastUpdatedBy) {
    writeField(FIELD_LAST_UPDATED_BY, lastUpdatedBy);
  }

  // -------------------------------------------------------------------------
  // Supportive methods
  // -------------------------------------------------------------------------

  private void writeField(String fieldName, Boolean value) {
    if (value == null) {
      return;
    }

    try {
      generator.writeObjectField(fieldName, value);
    } catch (IOException e) {
      log.error(e.getMessage());
    }
  }

  @Override
  protected void writeField(String fieldName, String value) {
    if (value == null) {
      return;
    }

    try {
      generator.writeObjectField(fieldName, value);
    } catch (IOException e) {
      log.error(e.getMessage());
    }
  }
}
